40369840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72089}}^1$

素因数の和:72109

約数の個数: 40

約数和(自身を含む): 107269920

約数和(自身を除く): 66900080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72089, 144178, 288356, 360445, 504623, 576712, 720890, 1009246, 1153424, 1441780, 2018492, 2523115, 2883560, 4036984, 5046230, 5767120, 8073968, 10092460, 20184920, 40369840]

約数ペア:

[(1, 40369840), (2, 20184920), (4, 10092460), (5, 8073968), (7, 5767120), (8, 5046230), (10, 4036984), (14, 2883560), (16, 2523115), (20, 2018492), (28, 1441780), (35, 1153424), (40, 1009246), (56, 720890), (70, 576712), (80, 504623), (112, 360445), (140, 288356), (280, 144178), (560, 72089)]